Table 4a.
Diagnostic Performance of Echo RV Linear Dimensions for Right Ventricular Hypertrophy (Derivation Cohort)
AUC (95% CI) | Cutoff | Sensitivity | Specificity | Accuracy | PPV | NPV | ||
---|---|---|---|---|---|---|---|---|
Cohort-Derived Wall Thickness Cutoffs | ||||||||
Proximal RVOT wall thickness (mm) | Male | 0.79 (0.65–0.93) | 3.55mm | 61.9% | 83.9% | 75.0% | 72.2% | 76.5% |
Female | 0.87 (0.78–0.97) | 3.40mm | 72.7% | 84.6% | 79.2% | 80.0% | 78.6% | |
4-chamber RV free wall thickness (mm) | Male | 0.86 (0.75–0.97) | 3.75mm | 76.2% | 83.9% | 80.8% | 76.2% | 83.9% |
Female | 0.90 (0.82–0.99) | 3.60mm | 81.8% | 88.5% | 85.4% | 85.7% | 85.2% | |
Subcostal RV free wall thickness (mm) | Male | 0.93 (0.86–1.00) | 3.65mm | 85.7% | 83.9% | 84.6% | 78.3% | 89.7% |
Female | 0.94 (0.87–1.00) | 3.65mm | 86.4% | 92.0% | 89.4% | 90.5% | 88.5% | |
Echo-quantified RV mass | ||||||||
Echo-quantified RV mass (grams) | Male | 0.89 (0.80–0.98) | 31.9g | 76.2% | 87.1% | 82.3% | 80.0% | 84.4% |
Female | 0.96 (0.91–1.00) | 25.3g | 100% | 84.0% | 91.5% | 84.6% | 100% |